91Ó°ÊÓ

For the following figure, name each figure that is a rhombus but not a square.

For the following figure, if $RE=EW$then name all angles congruent to $∠ERW$.

Find the average of the following numbers: 7, 8, 5, 15, 10

Points A, B, E and F are midpoints of $\stackrel{¯}{XC},\stackrel{¯}{XD},\stackrel{¯}{YC}$and $\stackrel{¯}{YD}$. Complete.

If $\text{CD}=\mathbf{8}\text{x}$, and$\text{AB}=\mathbf{3}\text{x}+\mathbf{2}$ then $\text{x}=$ ? .

For the following figure, find the length of the median of each trapezoid.

Copy the chart. Then place check marks in the appropriate spaces.

M, N and T are the midpoints of the sides of $\mathrm{Δ}\text{XYZ}$.

If $\text{ZN}=8$, then $\text{TM}=\underset{¯}{?}$

$EH=8x−7,FG=5x+11$In the following figure, a parallelogram $EFGH$is given and $m∠EFG=70$. If then find x.

Each diagram shows a trapezoid and its median. Find the value of x.

In Exercise 4 quad. ABCD is a parallelogram. Find the values of x, y, and z.